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The Threshold detergent concentration at which micelle formation begins in the bulk phase is called
Pharmaceutics Pharmacist Competitive Exams
Q. The Threshold detergent concentration at which micelle formation begins in the bulk phase is called
Ans → critical micelle concentration (cmc)
Explanation →
This question is taken from the test/quiz post: one liners Pharmaceutics| B.Pharmacy| Pharmacy file-2 - attemp/practice
More oneliners in - one liners Pharmaceutics| B.Pharmacy| Pharmacy file-2
Q. Small edible package made usually from gelatin or other materials that can be filled with drugs (solids or liquids) to produce a unit dose, mainly for oral use.
Ans → capsule
Explanation →
Q. Transfer of a drug across a membrane by a transporter (often a protein) constituent of the cytosol membrane.
Ans → carrier-mediated drug transport
Explanation →
Q. Reversal of coagulation or flocculation, i.e., the dispersion of aggregates to form a stable colloidal suspension or emulsion.
Ans → deflocculation
Explanation →
Q. A Pharmaceutical preparation that releases the drug(s) at a time other than promptly after administration.
Ans →
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Q. Close, tight aggregation of colloid particles, emulsion droplets, suspension particles, which are difficult to redisperse.
Ans → coagulation
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Q. Process that occurs when the vapor pressure of the saturated aqueous solution of a substance is less than the vapor pressure of water in the ambient air.
Ans → deliquescence
Explanation →
Q. Technological process consisting of the application of a substance, which forms a layer e.g, to protect the drug
Ans → coating
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Q. A Substance that absorbs sufficient moisture from the atmosphere to dissolve itself.
Ans → deliquescent
Explanation →
Q. A solid dosage form prepared to a desired shape, usually in large-scale production, by means of high pressure in a punch and die.
Ans → compressed tablet
Explanation →
Q. The deposit of a drug in a body created by injection or by a similar mode of introduction to form a source of slow release.
Ans → depot
Explanation →
Q. Vehicle often ethanol used in combination to increase the solubility of drugs.
Ans → cosolvent
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Q. Surfactant (or a mixture containing one or more surfactants) having cleaning properties in dilute solutions
Ans → detergent
Explanation →
Q. Name a property, which serves as basis for the process whereby surfactants are used for the removal of foreign matter from surfaces (including dirt from clothes or body surfaces).
Ans → detergency
Explanation →
Q. The Threshold detergent concentration at which micelle formation begins in the bulk phase is called
Ans → critical micelle concentration (cmc)
Explanation →
More one-liners in - Pharmaceutics
Q. A form of microbial control using heat that is applied to foods; kills pathogens and reduces the number of spoilage-causing microbes while maintaining food quality
Ans → pasteurization
Explanation →
Q. Cellulose is not digested in humans due to lack of the enzyme that hydrolyses
Ans → β-Glycosidic bonds
Explanation →
Q. If an electron passes from one orbital to another an electronic transition occurs and there is the emission or absorption of energy corresponding to the difference in energy of the two orbitals known as
Ans → electronic transition
Explanation →
Q. The clones of cell produced by fusing a normal B cell with a myeloma cell that is capable of producing monoclonal antibodies indefinitely
Ans → hybridoma
Explanation →
Q. Visible clumping of red blood cells that can be caused by some viruses, bacteria, and certain diseases in which antibodies
Ans → hemagglutination
Explanation →
Q. An individual capable of transmitting a pathogen to another individual without becoming infected
Ans → passive carrier
Explanation →
Q. The Process of contact and adhesion whereby particles in dispersion form larger-size clusters.
Ans → flocculation
Explanation →
Q. A formal non-ambiguous, nomenclature system for the assignment of absolute configuration of structure to chiral atoms, using the Cahn, Ingold and Prelog priority rules.
Ans → R,S convention
Explanation →
Q. Name the chronic bacterial infection of peripheral nervous tissues caused by the acid-fast bacterium,
Ans → Hansen’s Disease
Explanation →
Q. Summary of operations carried out to convert a pharmacologically active compound into a dosage form suitable for administration.
Ans → formulation
Explanation →
Q. The sideways projection of a carbon-carbon single bond and the attached substituents.
Ans → sawhorse projection
Explanation →
Q. Usually a small, flat, and soft tablet, which is designed to be placed inside the cheek to be directly absorbed through the mucosa for systemic effect.
Ans → buccal tablet
Explanation →
Q. Name the organism that depends on high concentrations of salt in the environment to grow
Ans → halophile
Explanation →
Q. Dosage form, semi-solid, used for the administration of drugs via the rectal route, for systemic or local effect.
Ans →
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Q. Bonds forms between the hydroxyl groups of two sugar molecules
Ans → glycosidic bond
Explanation →
Q. Sweet (often colored) dilute alcohol-based, “hydroalcoholic”, liquid used in the compounding of drugs to be taken by mouth in order to improve palatability.
Ans → elixir
Explanation →
Q. A group that is used to protect a functional group from unwanted reactions. After application the protecting group can be removed to reveal the original functional group.
Ans → protecting group
Explanation →
Q. A very strong attraction between two or more atoms that are sharing their electrons.
Ans → Covalent Bond
Explanation →
Q. A a term applied to an atom or molecule having one or more free valencies.
Ans → radical
Explanation →
Q. Reversible formation of association colloids from surfactants in nonpolar solvents leads to aggregates termed inverted (or inverse, reverse, or reversed) micelles.
Ans → inverted micelle
Explanation →
Q. The enzyme that is regulated by feedback inhibition in heme synthesis is
Ans → δ -Aminolevulinate synthase
Explanation →
Q. BCG vaccine contains living culture of the ___ ___ ____ strain of _____ ____.
Ans → Bacillus Calmette Guerin, Mycobacterium tuberculosis
Explanation →
Q. Name the compound with the greatest standard free energy.
Ans → Phosphoenolpyruvate
Explanation →
Q. Transition of a suspension of solid, usually colloid, particles in a liquid (sol) to an apparent solid, jelly- like material
Ans → sol-gel transition
Explanation →
Q. Plasma albumin performs the following functions
Ans → Osmotic, Transport , Nutritive
Explanation →
Q. Which bond is formed between the negatively charged phosphate groups that holds a lot of potential energy
Ans → high-energy phosphate bond
Explanation →
Q. An aqueous solution used for the prevention and treatment of mouth and throat infections.
Ans → gargle
Explanation →
Q. Process by which energy from sunlight is absorbed by pigment molecules in photosynthetic membranes and converted into stored chemical energy in the forms of ATP and NADPH
Ans → light-dependent reaction
Explanation →
Q. Name the plasmid containing genes encoding proteins that make a bacterial cell resistant to one or more antibiotics
Ans → R plasmid
Explanation →
Q. An Obstacle such as coating or embedding, which acts as a factor controlling the rate of drug release.
Ans → diffusion barrier
Explanation →